语音上传（二）

表  sound  字段  id   numeric  9 （自增）   wav  image  16   wavinfo   varchar   50    wavsize  numeric  
save.asp   '将声音文件写入数据库

<%@ Language=VBScript %>
<!--#include file="../conn.asp"-->
<%
Response.expires=0
Server.ScriptTimeout =3600
 
call main()

sub main()

 
FormSize = Request.TotalBytes
FormData = Request.BinaryRead( FormSize )

bncrlf=chrb(13) & chrb(10)
divider=leftb(FormData,instrb(FormData,bncrlf)-1)
datastart=instrb(FormData,bncrlf & bncrlf)+4
dataend=instrb(datastart+1,formdata,divider)-datastart

Wav = WavUp(FormSize,Formdata)

strTXT=mid(formdata,instr(formdata,Wav)+len(Wav)+1)
strTXT=bin2str(strTXT)

'wavinfo=findVar("wavinfo",strTXT)

set RS=server.createobject("ADODB.recordset")
SQL="select wav,wavsize,wavinfo from sound"
RS.Open SQL,conn,1,3

RS.Addnew
RS("wavinfo")=wavinfo
RS("wavsize")=dataend-2
if Len(Wav)>1 then
  RS("wav").Appendchunk Wav
end if
RS.Update
RS.Close
set RS=nothing
conn.close
set conn=nothing
'response.Write(Request.ServerVariables ("REMOTE_ADDR"))
response.Write("<script language='javascript'>alert('语音上传成功了，请返回！');window.location.reload('sound.asp');</script>")
response.end
end sub

Function bin2str(binstr)
Dim varlen,clow,ccc,skipflag
skipflag=0
ccc = ""
varlen=LenB(binstr)
For i=1 To varlen
If skipflag=0 Then
clow = MidB(binstr,i,1)
If AscB(clow) > 127 Then
ccc =ccc & Chr(AscW(MidB(binstr,i+1,1) & clow))
skipflag=1
Else
ccc = ccc & Chr(AscB(clow))
End If
Else
skipflag=0
End If
Next
bin2str = ccc
End Function

Function WavUp(formsize,formdata)
bncrlf=chrb(13) & chrb(10)
divider=leftb(formdata,instrb(formdata,bncrlf)-1)
datastart=instrb(formdata,bncrlf & bncrlf)+4
dataend=instrb(datastart+1,formdata,divider)-datastart
WavUp=midb(formdata,datastart,dataend)
End Function

Function findVar(varName,strTxt)
startPos=1
strLen=len(varName)+2
for i=1 to len(strTXT)
varStart=instr(startPos,strTXT,varName)+strLen+3
varEnd=instr(varStart,strTXT,"--")-2
varValLen=varEnd-varStart

inVar=mid(strTXT,varStart,varValLen)
findVar=findVar & inVar

startPos=instr(varStart,strTXT,varName)
if startPos=0 then exit for
findVar=findVar & ","
next
End function
%>

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